| 06.08.1978 | | San Diego Sockers | | Vancouver Whitecaps | | 1:2 |
| San Diego |
| 06.08.1978 | | Toronto Metros-Croatia | | Washington Diplomats | | 2:0 |
| Toronto |
| 05.08.1978 | | Dallas Tornado | | Cosmos | | 5:3 |
| Dallas |
| 05.08.1978 | | Memphis Rogues | | New England Tea Men | | 2:3 |
| Memphis |
| 05.08.1978 | | Philadelphia Fury | | Detroit Express | | 3:2 |
| Philadelphia |
| 05.08.1978 | | San Jose Earthquakes | | Oakland Stompers | | 2:1 |
| San Jose |
| 05.08.1978 | | Seattle Sounders | | California Surf | | 5:2 |
| Seattle |
| 04.08.1978 | | Fort Lauderdale Strikers | | Rochester Lancers | | 2:1, pen. ?:? |
| Fort Lauderdale |
| 04.08.1978 | | Houston Hurricane | | Tampa Bay Rowdies | | 2:3 |
| Houston |
| 04.08.1978 | | Los Angeles Aztecs | | Tulsa Roughnecks | | 2:1 |
| Pasadena |
| 04.08.1978 | | Minnesota Kicks | | Colorado Caribous | | 2:0 |
| Bloomington |
| 03.08.1978 | | San Diego Sockers | | Dallas Tornado | | 2:0 |
| San Diego |
| 03.08.1978 | | Vancouver Whitecaps | | San Jose Earthquakes | | 6:0 |
| Vancouver |
| 02.08.1978 | | Chicago Sting | | Houston Hurricane | | 2:1 |
| Chicago |
| 02.08.1978 | | Colorado Caribous | | Portland Timbers | | 1:3 |
| Denver |
| 02.08.1978 | | Los Angeles Aztecs | | Minnesota Kicks | | 0:5 |
| Pasadena |
| 02.08.1978 | | Memphis Rogues | | California Surf | | 3:0 |
| Memphis |
| 02.08.1978 | | New England Tea Men | | Detroit Express | | 0:1 |
| Foxborough |
| 02.08.1978 | | Oakland Stompers | | Seattle Sounders | | 1:2, pen. ?:? |
| Oakland |
| 02.08.1978 | | Rochester Lancers | | Philadelphia Fury | | 2:3 |
| Rochester |
| 02.08.1978 | | Tampa Bay Rowdies | | Toronto Metros-Croatia | | 5:1 |
| Tampa |
| 02.08.1978 | | Washington Diplomats | | Cosmos | | 1:2 |
| Washington |
| 31.07.1978 | | Seattle Sounders | | Portland Timbers | | 3:2 |
| Seattle |
| 30.07.1978 | | California Surf | | San Jose Earthquakes | | 5:0 |
| Anaheim |
| 30.07.1978 | | Colorado Caribous | | San Diego Sockers | | 2:3, pen. ?:? |
| Denver |
| 30.07.1978 | | Cosmos | | Tampa Bay Rowdies | | 2:1 |
| East Rutherford |
| 30.07.1978 | | Detroit Express | | Fort Lauderdale Strikers | | 4:2 |
| Detroit |
| 30.07.1978 | | New England Tea Men | | Tulsa Roughnecks | | 2:1 |
| Foxborough |
| 30.07.1978 | | Oakland Stompers | | Vancouver Whitecaps | | 2:6 |
| Oakland |
| 29.07.1978 | | Chicago Sting | | Memphis Rogues | | 3:1 |
| Chicago |
| 29.07.1978 | | Dallas Tornado | | Houston Hurricane | | 4:0 |
| Dallas |
| 29.07.1978 | | Minnesota Kicks | | Los Angeles Aztecs | | 4:0 |
| Bloomington |
| 29.07.1978 | | Philadelphia Fury | | Toronto Metros-Croatia | | 1:2 |
| Philadelphia |
| 29.07.1978 | | Rochester Lancers | | Washington Diplomats | | 1:0 |
| Rochester |
| 27.07.1978 | | Tulsa Roughnecks | | Houston Hurricane | | 4:0 |
| Tulsa |
| 27.07.1978 | | Vancouver Whitecaps | | Los Angeles Aztecs | | 4:1 |
| Vancouver |
| 26.07.1978 | | California Surf | | Oakland Stompers | | 1:2 |
| Anaheim |
| 26.07.1978 | | Chicago Sting | | Philadelphia Fury | | 2:3 |
| Chicago |
| 26.07.1978 | | Cosmos | | Toronto Metros-Croatia | | 3:1 |
| East Rutherford |
| 26.07.1978 | | Fort Lauderdale Strikers | | Tampa Bay Rowdies | | 1:2 |
| Fort Lauderdale |
| 26.07.1978 | | Memphis Rogues | | Minnesota Kicks | | 2:1 |
| Memphis |
| 26.07.1978 | | San Jose Earthquakes | | San Diego Sockers | | 2:1 |
| San Jose |
| 26.07.1978 | | Washington Diplomats | | New England Tea Men | | 1:2 |
| Washington |
| 25.07.1978 | | Portland Timbers | | Dallas Tornado | | 2:1 |
| Portland |
| 22.07.1978 | | California Surf | | Detroit Express | | 1:2 |
| Anaheim |
| 22.07.1978 | | Chicago Sting | | Dallas Tornado | | 3:2 |
| Chicago |
| 22.07.1978 | | Colorado Caribous | | Tulsa Roughnecks | | 2:1 |
| Denver |
| 22.07.1978 | | Houston Hurricane | | Memphis Rogues | | 1:0 |
| Houston |
| 22.07.1978 | | Los Angeles Aztecs | | San Jose Earthquakes | | 0:2 |
| Pasadena |
| 22.07.1978 | | Seattle Sounders | | Cosmos | | 1:2 |
| Seattle |
| 22.07.1978 | | Toronto Metros-Croatia | | Minnesota Kicks | | 1:2 |
| Toronto |
| 21.07.1978 | | Fort Lauderdale Strikers | | Philadelphia Fury | | 1:0 |
| Fort Lauderdale |
| 21.07.1978 | | Oakland Stompers | | Cosmos | | 1:5 |
| Oakland |
| 21.07.1978 | | Portland Timbers | | Vancouver Whitecaps | | 0:2 |
| Portland |
| 21.07.1978 | | Tampa Bay Rowdies | | New England Tea Men | | 3:1 |
| Tampa |
| 21.07.1978 | | Washington Diplomats | | Rochester Lancers | | 4:3 |
| Washington |
| 20.07.1978 | | Seattle Sounders | | Washington Diplomats | | 1:2, pen. ?:? |
| Seattle |
| 20.07.1978 | | Tulsa Roughnecks | | Memphis Rogues | | 2:0 |
| Tulsa |
| 19.07.1978 | | Dallas Tornado | | Colorado Caribous | | 1:3 |
| Dallas |
| 19.07.1978 | | New England Tea Men | | Fort Lauderdale Strikers | | 0:2 |
| Foxborough |
| 19.07.1978 | | San Diego Sockers | | Los Angeles Aztecs | | 4:3 |
| San Diego |
| 19.07.1978 | | San Jose Earthquakes | | Detroit Express | | 3:4 |
| San Jose |
| 19.07.1978 | | Tampa Bay Rowdies | | Chicago Sting | | 2:3 |
| Tampa |
| 19.07.1978 | | Toronto Metros-Croatia | | Portland Timbers | | 3:1 |
| Toronto |
| 18.07.1978 | | Philadelphia Fury | | Houston Hurricane | | 4:2 |
| Philadelphia |
| 18.07.1978 | | Rochester Lancers | | Minnesota Kicks | | 3:2 |
| Rochester |
| 17.07.1978 | | Vancouver Whitecaps | | Oakland Stompers | | 2:1 |
| Vancouver |
| 16.07.1978 | | Detroit Express | | Houston Hurricane | | 3:0 |
| Detroit |
| 16.07.1978 | | San Diego Sockers | | Seattle Sounders | | 5:3 |
| San Diego |
| 15.07.1978 | | Dallas Tornado | | Portland Timbers | | 1:3 |
| Dallas |
| 15.07.1978 | | Fort Lauderdale Strikers | | Chicago Sting | | 3:4 |
| Fort Lauderdale |
| 15.07.1978 | | Los Angeles Aztecs | | Toronto Metros-Croatia | | 2:5 |
| Pasadena |
| 15.07.1978 | | Memphis Rogues | | Vancouver Whitecaps | | 1:2 |
| Memphis |
| 15.07.1978 | | Minnesota Kicks | | Tulsa Roughnecks | | 0:1 |
| Bloomington |
| 15.07.1978 | | Philadelphia Fury | | Cosmos | | 0:3 |
| Philadelphia |
| 15.07.1978 | | San Jose Earthquakes | | Washington Diplomats | | 1:5 |
| San Jose |
| 14.07.1978 | | Rochester Lancers | | New England Tea Men | | 3:2 |
| Rochester |
| 14.07.1978 | | San Diego Sockers | | Oakland Stompers | | 3:0 |
| San Diego |
| 13.07.1978 | | Tulsa Roughnecks | | Portland Timbers | | 1:0 |
| Tulsa |
| 12.07.1978 | | California Surf | | Fort Lauderdale Strikers | | 5:0 |
| Anaheim |
| 12.07.1978 | | Colorado Caribous | | Toronto Metros-Croatia | | 0:3 |
| Denver |
| 12.07.1978 | | Cosmos | | New England Tea Men | | 1:3 |
| East Rutherford |
| 12.07.1978 | | Detroit Express | | San Jose Earthquakes | | 10:0 |
| Detroit |
| 12.07.1978 | | Memphis Rogues | | Chicago Sting | | 3:2, pen. ?:? |
| Memphis |
| 12.07.1978 | | Minnesota Kicks | | Rochester Lancers | | 4:2 |
| Bloomington |
| 12.07.1978 | | Seattle Sounders | | Los Angeles Aztecs | | 3:0 |
| Seattle |
| 12.07.1978 | | Vancouver Whitecaps | | Dallas Tornado | | 6:1 |
| Vancouver |
| 11.07.1978 | | Philadelphia Fury | | Tampa Bay Rowdies | | 3:2 |
| Philadelphia |
| 10.07.1978 | | Oakland Stompers | | San Diego Sockers | | 1:0 |
| Oakland |
| 09.07.1978 | | Chicago Sting | | Colorado Caribous | | 4:1 |
| Chicago |
| 09.07.1978 | | Houston Hurricane | | Fort Lauderdale Strikers | | 1:2 |
| Houston |
| 09.07.1978 | | New England Tea Men | | California Surf | | 5:2 |
| Foxborough |
| 09.07.1978 | | San Jose Earthquakes | | Los Angeles Aztecs | | 2:4 |
| San Jose |
| 09.07.1978 | | Toronto Metros-Croatia | | Memphis Rogues | | 4:1 |
| Toronto |
| 08.07.1978 | | Dallas Tornado | | Vancouver Whitecaps | | 1:2 |
| Dallas |
| 08.07.1978 | | Minnesota Kicks | | Detroit Express | | 1:2 |
| Bloomington |
| 08.07.1978 | | Seattle Sounders | | Oakland Stompers | | 1:0 |
| Seattle |
| 08.07.1978 | | Tulsa Roughnecks | | Tampa Bay Rowdies | | 0:3 |
| Tulsa |
| 08.07.1978 | | Washington Diplomats | | Philadelphia Fury | | 2:1 |
| Washington |
| 07.07.1978 | | Portland Timbers | | San Jose Earthquakes | | 5:0 |
| Portland |
| 07.07.1978 | | Rochester Lancers | | Cosmos | | 0:2 |
| Rochester |
| 06.07.1978 | | Houston Hurricane | | Minnesota Kicks | | 0:3 |
| Houston |
| 05.07.1978 | | Colorado Caribous | | Memphis Rogues | | 0:1 |
| Denver |
| 05.07.1978 | | New England Tea Men | | Cosmos | | 1:0 |
| Foxborough |
| 05.07.1978 | | Vancouver Whitecaps | | Detroit Express | | 2:1 |
| Vancouver |
| 04.07.1978 | | Chicago Sting | | Tulsa Roughnecks | | 5:2 |
| Chicago |
| 04.07.1978 | | Dallas Tornado | | Seattle Sounders | | 2:1 |
| Dallas |
| 04.07.1978 | | Fort Lauderdale Strikers | | Toronto Metros-Croatia | | 4:0 |
| Fort Lauderdale |
| 04.07.1978 | | Los Angeles Aztecs | | San Diego Sockers | | 1:2 |
| Pasadena |
| 04.07.1978 | | Oakland Stompers | | Portland Timbers | | 0:1 |
| Oakland |
| 04.07.1978 | | Philadelphia Fury | | California Surf | | 0:1 |
| Philadelphia |
| 04.07.1978 | | Tampa Bay Rowdies | | Rochester Lancers | | 1:0 |
| Tampa |
| 02.07.1978 | | Cosmos | | California Surf | | 4:1 |
| East Rutherford |
| 02.07.1978 | | Detroit Express | | Colorado Caribous | | 5:0 |
| Detroit |
| 02.07.1978 | | Houston Hurricane | | Seattle Sounders | | 0:2 |
| Houston |
| 02.07.1978 | | New England Tea Men | | San Diego Sockers | | 6:0 |
| Foxborough |
| 02.07.1978 | | Rochester Lancers | | Dallas Tornado | | 2:0 |
| Rochester |
| 02.07.1978 | | Tulsa Roughnecks | | Chicago Sting | | 4:1 |
| Tulsa |
| 01.07.1978 | | Los Angeles Aztecs | | Vancouver Whitecaps | | 0:2 |
| Pasadena |
| 01.07.1978 | | San Jose Earthquakes | | Fort Lauderdale Strikers | | 0:1 |
| San Jose |
| 01.07.1978 | | Tampa Bay Rowdies | | Washington Diplomats | | 3:2 |
| Tampa |
| 30.06.1978 | | Portland Timbers | | Minnesota Kicks | | 1:0 |
| Portland |
| 30.06.1978 | | Toronto Metros-Croatia | | Oakland Stompers | | 8:2 |
| Toronto |
| 29.06.1978 | | Tulsa Roughnecks | | Colorado Caribous | | 4:1 |
| Tulsa |
| 28.06.1978 | | Chicago Sting | | California Surf | | 1:0 |
| Chicago |
| 28.06.1978 | | Cosmos | | Los Angeles Aztecs | | 2:1 |
| East Rutherford |
| 28.06.1978 | | Detroit Express | | Oakland Stompers | | 3:4 |
| Detroit |
| 28.06.1978 | | Memphis Rogues | | Fort Lauderdale Strikers | | 1:2 |
| Memphis |
| 28.06.1978 | | Minnesota Kicks | | Houston Hurricane | | 2:0 |
| Bloomington |
| 28.06.1978 | | New England Tea Men | | Philadelphia Fury | | 2:1 |
| Foxborough |
| 28.06.1978 | | Rochester Lancers | | Portland Timbers | | 0:1 |
| Rochester |
| 28.06.1978 | | San Jose Earthquakes | | Vancouver Whitecaps | | 0:1, pen. ?:? |
| San Jose |
| 28.06.1978 | | Toronto Metros-Croatia | | Tampa Bay Rowdies | | 1:2 |
| Toronto |
| 28.06.1978 | | Washington Diplomats | | San Diego Sockers | | 3:2 |
| Washington |
| 25.06.1978 | | Colorado Caribous | | Chicago Sting | | 2:4 |
| Denver |
| 25.06.1978 | | Rochester Lancers | | Tampa Bay Rowdies | | 2:1 |
| Rochester |
| 24.06.1978 | | California Surf | | San Diego Sockers | | 0:3 |
| Anaheim |
| 24.06.1978 | | Dallas Tornado | | Memphis Rogues | | 3:0 |
| Dallas |
| 24.06.1978 | | Fort Lauderdale Strikers | | Cosmos | | 5:3 |
| Fort Lauderdale |
| 24.06.1978 | | Houston Hurricane | | Detroit Express | | 2:3 |
| Houston |
| 24.06.1978 | | Minnesota Kicks | | New England Tea Men | | 3:5 |
| Bloomington |
| 24.06.1978 | | Oakland Stompers | | Philadelphia Fury | | 0:1 |
| Oakland |
| 24.06.1978 | | Seattle Sounders | | Tulsa Roughnecks | | 0:1 |
| Seattle |
| 24.06.1978 | | Toronto Metros-Croatia | | Los Angeles Aztecs | | 4:0 |
| Toronto |
| 24.06.1978 | | Washington Diplomats | | Portland Timbers | | 2:1 |
| Washington |
| 22.06.1978 | | Vancouver Whitecaps | | Tulsa Roughnecks | | 5:1 |
| Vancouver |
| 21.06.1978 | | California Surf | | Philadelphia Fury | | 2:0 |
| Anaheim |
| 21.06.1978 | | Cosmos | | Colorado Caribous | | 3:1 |
| East Rutherford |
| 21.06.1978 | | Memphis Rogues | | Detroit Express | | 1:4 |
| Memphis |
| 21.06.1978 | | Rochester Lancers | | Toronto Metros-Croatia | | 1:2 |
| Rochester |
| 21.06.1978 | | San Jose Earthquakes | | New England Tea Men | | 2:5 |
| San Jose |
| 21.06.1978 | | Tampa Bay Rowdies | | Portland Timbers | | 2:0 |
| Tampa |
| 20.06.1978 | | Houston Hurricane | | Chicago Sting | | 3:2 |
| Houston |
| 20.06.1978 | | Washington Diplomats | | Los Angeles Aztecs | | 4:0 |
| Washington |
| 19.06.1978 | | Oakland Stompers | | Minnesota Kicks | | 1:0 |
| Oakland |
| 18.06.1978 | | Chicago Sting | | Detroit Express | | 2:0 |
| Chicago |
| 18.06.1978 | | Colorado Caribous | | Houston Hurricane | | 3:1 |
| Denver |
| 18.06.1978 | | Cosmos | | Washington Diplomats | | 6:1 |
| East Rutherford |
| 17.06.1978 | | Dallas Tornado | | San Jose Earthquakes | | 3:1 |
| Dallas |
| 17.06.1978 | | Los Angeles Aztecs | | California Surf | | 2:1 |
| Pasadena |
| 17.06.1978 | | Memphis Rogues | | San Diego Sockers | | 4:3 |
| Memphis |
| 17.06.1978 | | Philadelphia Fury | | Rochester Lancers | | 0:3 |
| Philadelphia |
| 17.06.1978 | | Seattle Sounders | | Minnesota Kicks | | 1:0, pen. ?:? |
| Seattle |
| 17.06.1978 | | Tampa Bay Rowdies | | Fort Lauderdale Strikers | | 3:2 |
| Tampa |
| 17.06.1978 | | Vancouver Whitecaps | | Toronto Metros-Croatia | | 0:1 |
| Vancouver |
| 16.06.1978 | | Portland Timbers | | New England Tea Men | | 2:1, pen. ?:? |
| Portland |
| 15.06.1978 | | Toronto Metros-Croatia | | Fort Lauderdale Strikers | | 2:0 |
| Toronto |
| 15.06.1978 | | Tulsa Roughnecks | | Rochester Lancers | | 3:2 |
| Tulsa |
| 14.06.1978 | | Chicago Sting | | Tampa Bay Rowdies | | 4:5 |
| Chicago |
| 14.06.1978 | | Colorado Caribous | | Detroit Express | | 0:2 |
| Denver |
| 14.06.1978 | | Memphis Rogues | | San Jose Earthquakes | | 4:1 |
| Memphis |
| 14.06.1978 | | New England Tea Men | | Washington Diplomats | | 1:2 |
| Foxborough |
| 14.06.1978 | | Oakland Stompers | | Houston Hurricane | | 2:3 |
| Oakland |
| 14.06.1978 | | Seattle Sounders | | San Diego Sockers | | 3:2 |
| Seattle |
| 13.06.1978 | | California Surf | | Tulsa Roughnecks | | 3:0 |
| Anaheim |
| 13.06.1978 | | Minnesota Kicks | | Cosmos | | 2:4 |
| Bloomington |
| 13.06.1978 | | Philadelphia Fury | | Dallas Tornado | | 0:1 |
| Philadelphia |
| 11.06.1978 | | Cosmos | | Philadelphia Fury | | 1:0 |
| East Rutherford |
| 11.06.1978 | | Detroit Express | | Dallas Tornado | | 2:0 |
| Detroit |
| 11.06.1978 | | New England Tea Men | | Toronto Metros-Croatia | | 1:0 |
| Foxborough |
| 10.06.1978 | | Fort Lauderdale Strikers | | Oakland Stompers | | 2:0 |
| Fort Lauderdale |
| 10.06.1978 | | Los Angeles Aztecs | | Rochester Lancers | | 3:0 |
| Pasadena |
| 10.06.1978 | | Minnesota Kicks | | California Surf | | 1:0 |
| Bloomington |
| 10.06.1978 | | Portland Timbers | | Seattle Sounders | | 1:0, pen. ?:? |
| Portland |
| 10.06.1978 | | San Diego Sockers | | Memphis Rogues | | 4:3 |
| San Diego |
| 10.06.1978 | | San Jose Earthquakes | | Chicago Sting | | 1:2, pen. ?:? |
| San Jose |
| 10.06.1978 | | Tampa Bay Rowdies | | Houston Hurricane | | 2:0 |
| Tampa |
| 10.06.1978 | | Washington Diplomats | | Vancouver Whitecaps | | 1:2, pen. ?:? |
| Washington |
| 08.06.1978 | | Toronto Metros-Croatia | | Colorado Caribous | | 0:2 |
| Toronto |
| 07.06.1978 | | California Surf | | Chicago Sting | | 2:1 |
| Anaheim |
| 07.06.1978 | | Dallas Tornado | | Fort Lauderdale Strikers | | 3:1 |
| Dallas |
| 07.06.1978 | | Detroit Express | | Tulsa Roughnecks | | 2:1, pen. ?:? |
| Detroit |
| 07.06.1978 | | Houston Hurricane | | Washington Diplomats | | 1:0 |
| Houston |
| 07.06.1978 | | New England Tea Men | | Vancouver Whitecaps | | 2:0 |
| Foxborough |
| 07.06.1978 | | Portland Timbers | | Los Angeles Aztecs | | 1:0 |
| Portland |
| 07.06.1978 | | Rochester Lancers | | Seattle Sounders | | 2:1 |
| Rochester |
| 07.06.1978 | | San Diego Sockers | | Philadelphia Fury | | 3:2 |
| San Diego |
| 07.06.1978 | | San Jose Earthquakes | | Memphis Rogues | | 0:1 |
| San Jose |
| 07.06.1978 | | Tampa Bay Rowdies | | Oakland Stompers | | 1:0 |
| Tampa |
| 04.06.1978 | | Cosmos | | Vancouver Whitecaps | | 3:2 |
| East Rutherford |
| 04.06.1978 | | Houston Hurricane | | Oakland Stompers | | 0:1 |
| Houston |
| 04.06.1978 | | San Diego Sockers | | Tampa Bay Rowdies | | 1:0 |
| San Diego |
| 04.06.1978 | | Tulsa Roughnecks | | Dallas Tornado | | 2:0 |
| Tulsa |
| 03.06.1978 | | Chicago Sting | | Rochester Lancers | | 2:3 |
| Chicago |
| 03.06.1978 | | Fort Lauderdale Strikers | | New England Tea Men | | 2:0 |
| Fort Lauderdale |
| 03.06.1978 | | Los Angeles Aztecs | | Philadelphia Fury | | 1:3 |
| Pasadena |
| 03.06.1978 | | Memphis Rogues | | Colorado Caribous | | 2:0 |
| Memphis |
| 03.06.1978 | | Minnesota Kicks | | Seattle Sounders | | 3:2 |
| Bloomington |
| 03.06.1978 | | Washington Diplomats | | Toronto Metros-Croatia | | 0:3 |
| Washington |
| 01.06.1978 | | Houston Hurricane | | Tulsa Roughnecks | | 2:4 |
| Houston |
| 01.06.1978 | | Toronto Metros-Croatia | | Cosmos | | 1:5 |
| Toronto |
| 01.06.1978 | | Vancouver Whitecaps | | Tampa Bay Rowdies | | 1:0 |
| Vancouver |
| 31.05.1978 | | California Surf | | Seattle Sounders | | 0:2 |
| Anaheim |
| 31.05.1978 | | Colorado Caribous | | Dallas Tornado | | 1:2 |
| Denver |
| 31.05.1978 | | Detroit Express | | Philadelphia Fury | | 3:0 |
| Detroit |
| 31.05.1978 | | Oakland Stompers | | Fort Lauderdale Strikers | | 2:1 |
| Oakland |
| 31.05.1978 | | Rochester Lancers | | San Jose Earthquakes | | 2:1 |
| Rochester |
| 31.05.1978 | | San Diego Sockers | | New England Tea Men | | 2:1 |
| San Diego |
| 29.05.1978 | | Los Angeles Aztecs | | Portland Timbers | | 1:4 |
| Pasadena |
| 29.05.1978 | | Minnesota Kicks | | Washington Diplomats | | 3:2 |
| Bloomington |
| 28.05.1978 | | Chicago Sting | | San Diego Sockers | | 1:2 |
| Chicago |
| 28.05.1978 | | Cosmos | | Rochester Lancers | | 5:1 |
| East Rutherford |
| 28.05.1978 | | Detroit Express | | Memphis Rogues | | 3:2 |
| Detroit |
| 28.05.1978 | | Houston Hurricane | | California Surf | | 3:0 |
| Houston |
| 27.05.1978 | | Colorado Caribous | | Los Angeles Aztecs | | 1:2 |
| Denver |
| 27.05.1978 | | Dallas Tornado | | Toronto Metros-Croatia | | 3:4 |
| Dallas |
| 27.05.1978 | | Oakland Stompers | | New England Tea Men | | 1:0 |
| Oakland |
| 27.05.1978 | | Philadelphia Fury | | San Jose Earthquakes | | 1:3 |
| Philadelphia |
| 27.05.1978 | | Seattle Sounders | | Fort Lauderdale Strikers | | 3:1 |
| Seattle |
| 27.05.1978 | | Tulsa Roughnecks | | Minnesota Kicks | | 3:2 |
| Tulsa |
| 27.05.1978 | | Vancouver Whitecaps | | Washington Diplomats | | 2:1 |
| Vancouver |
| 24.05.1978 | | Detroit Express | | Chicago Sting | | 1:2 |
| Detroit |
| 24.05.1978 | | Los Angeles Aztecs | | Dallas Tornado | | 1:2, pen. ?:? |
| Pasadena |
| 24.05.1978 | | Memphis Rogues | | Cosmos | | 1:0 |
| Memphis |
| 24.05.1978 | | Portland Timbers | | Washington Diplomats | | 2:1, pen. ?:? |
| Portland |
| 24.05.1978 | | Rochester Lancers | | Tulsa Roughnecks | | 3:0 |
| Rochester |
| 24.05.1978 | | Tampa Bay Rowdies | | Minnesota Kicks | | 2:3 |
| Tampa |
| 24.05.1978 | | Toronto Metros-Croatia | | Seattle Sounders | | 3:1 |
| Toronto |
| 23.05.1978 | | Fort Lauderdale Strikers | | California Surf | | 1:0 |
| Fort Lauderdale |
| 23.05.1978 | | Houston Hurricane | | Colorado Caribous | | 4:0 |
| Houston |
| 23.05.1978 | | New England Tea Men | | San Jose Earthquakes | | 3:1 |
| Foxborough |
| 21.05.1978 | | Cosmos | | Seattle Sounders | | 5:1 |
| East Rutherford |
| 21.05.1978 | | Minnesota Kicks | | Chicago Sting | | 3:1 |
| Bloomington |
| 21.05.1978 | | Rochester Lancers | | Fort Lauderdale Strikers | | 3:0 |
| Rochester |
| 21.05.1978 | | Toronto Metros-Croatia | | New England Tea Men | | 1:2 |
| Toronto |
| 20.05.1978 | | Memphis Rogues | | Dallas Tornado | | 3:1 |
| Memphis |
| 20.05.1978 | | Philadelphia Fury | | Oakland Stompers | | 3:1 |
| Philadelphia |
| 20.05.1978 | | San Diego Sockers | | Detroit Express | | 2:1 |
| San Diego |
| 20.05.1978 | | San Jose Earthquakes | | Portland Timbers | | 2:3 |
| San Jose |
| 20.05.1978 | | Vancouver Whitecaps | | Colorado Caribous | | 1:0 |
| Vancouver |
| 20.05.1978 | | Washington Diplomats | | Tampa Bay Rowdies | | 2:1 |
| Washington |
| 19.05.1978 | | California Surf | | Houston Hurricane | | 0:2 |
| Anaheim |
| 18.05.1978 | | Tulsa Roughnecks | | Los Angeles Aztecs | | 0:1, pen. ?:? |
| Tulsa |
| 17.05.1978 | | Colorado Caribous | | Rochester Lancers | | 1:0 |
| Denver |
| 17.05.1978 | | Dallas Tornado | | Detroit Express | | 0:1 |
| Dallas |
| 17.05.1978 | | Fort Lauderdale Strikers | | Washington Diplomats | | 3:2 |
| Fort Lauderdale |
| 17.05.1978 | | Minnesota Kicks | | Vancouver Whitecaps | | 3:2 |
| Bloomington |
| 17.05.1978 | | New England Tea Men | | Chicago Sting | | 3:2 |
| Foxborough |
| 17.05.1978 | | Oakland Stompers | | Memphis Rogues | | 1:0, pen. ?:? |
| Oakland |
| 17.05.1978 | | Philadelphia Fury | | Seattle Sounders | | 1:0 |
| Philadelphia |
| 17.05.1978 | | Portland Timbers | | Cosmos | | 2:1, pen. ?:? |
| Portland |
| 17.05.1978 | | Tampa Bay Rowdies | | San Diego Sockers | | 4:1 |
| Tampa |
| 14.05.1978 | | Chicago Sting | | Los Angeles Aztecs | | 1:2 |
| Chicago |
| 14.05.1978 | | Colorado Caribous | | Cosmos | | 3:4 |
| Denver |
| 14.05.1978 | | Detroit Express | | Minnesota Kicks | | 0:1 |
| Detroit |
| 14.05.1978 | | New England Tea Men | | Houston Hurricane | | 4:0 |
| Foxborough |
| 14.05.1978 | | Oakland Stompers | | California Surf | | 2:5 |
| Oakland |
| 14.05.1978 | | Rochester Lancers | | Vancouver Whitecaps | | 1:2 |
| Rochester |
| 14.05.1978 | | Toronto Metros-Croatia | | Dallas Tornado | | 1:2 |
| Toronto |
| 13.05.1978 | | Fort Lauderdale Strikers | | San Diego Sockers | | 2:1 |
| Fort Lauderdale |
| 13.05.1978 | | Portland Timbers | | Memphis Rogues | | 1:0 |
| Portland |
| 13.05.1978 | | Seattle Sounders | | San Jose Earthquakes | | 3:1 |
| Seattle |
| 13.05.1978 | | Tampa Bay Rowdies | | Philadelphia Fury | | 4:0 |
| Tampa |
| 13.05.1978 | | Washington Diplomats | | Tulsa Roughnecks | | 4:0 |
| Washington |
| 11.05.1978 | | Toronto Metros-Croatia | | Rochester Lancers | | 1:0 |
| Toronto |
| 10.05.1978 | | Colorado Caribous | | Philadelphia Fury | | 4:2 |
| Denver |
| 10.05.1978 | | Detroit Express | | Portland Timbers | | 0:1 |
| Detroit |
| 10.05.1978 | | Minnesota Kicks | | Memphis Rogues | | 2:1 |
| Bloomington |
| 10.05.1978 | | Oakland Stompers | | Los Angeles Aztecs | | 1:2, pen. ?:? |
| Oakland |
| 10.05.1978 | | Seattle Sounders | | Vancouver Whitecaps | | 1:2 |
| Seattle |
| 09.05.1978 | | California Surf | | Tampa Bay Rowdies | | 3:0 |
| Anaheim |
| 07.05.1978 | | Chicago Sting | | New England Tea Men | | 1:4 |
| Chicago |
| 07.05.1978 | | Cosmos | | Detroit Express | | 2:0 |
| East Rutherford |
| 07.05.1978 | | Los Angeles Aztecs | | Seattle Sounders | | 0:2 |
| Pasadena |
| 07.05.1978 | | Minnesota Kicks | | Dallas Tornado | | 2:1 |
| Bloomington |
| 07.05.1978 | | Rochester Lancers | | Houston Hurricane | | 3:1 |
| Rochester |
| 07.05.1978 | | San Jose Earthquakes | | Tampa Bay Rowdies | | 1:0 |
| San Jose |
| 07.05.1978 | | Toronto Metros-Croatia | | Philadelphia Fury | | 3:0 |
| Toronto |
| 07.05.1978 | | Vancouver Whitecaps | | Portland Timbers | | 1:0 |
| Vancouver |
| 06.05.1978 | | Fort Lauderdale Strikers | | Memphis Rogues | | 3:2 |
| Fort Lauderdale |
| 06.05.1978 | | San Diego Sockers | | California Surf | | 1:2 |
| San Diego |
| 06.05.1978 | | Tulsa Roughnecks | | Oakland Stompers | | 3:0 |
| Tulsa |
| 06.05.1978 | | Washington Diplomats | | Colorado Caribous | | 2:0 |
| Washington |
| 03.05.1978 | | Dallas Tornado | | Tulsa Roughnecks | | 0:1 |
| Dallas |
| 03.05.1978 | | Portland Timbers | | California Surf | | 2:1, pen. ?:? |
| Portland |
| 02.05.1978 | | Philadelphia Fury | | Fort Lauderdale Strikers | | 3:1 |
| Philadelphia |
| 30.04.1978 | | Detroit Express | | Toronto Metros-Croatia | | 2:0 |
| Detroit |
| 30.04.1978 | | Los Angeles Aztecs | | Oakland Stompers | | 1:2 |
| Pasadena |
| 30.04.1978 | | New England Tea Men | | Rochester Lancers | | 0:1, pen. ?:? |
| Foxborough |
| 30.04.1978 | | San Jose Earthquakes | | Seattle Sounders | | 1:0 |
| San Jose |
| 30.04.1978 | | Tampa Bay Rowdies | | Cosmos | | 2:5 |
| Tampa |
| 30.04.1978 | | Vancouver Whitecaps | | California Surf | | 2:0 |
| Vancouver |
| 29.04.1978 | | Chicago Sting | | Minnesota Kicks | | 0:1 |
| Chicago |
| 29.04.1978 | | Dallas Tornado | | Washington Diplomats | | 2:0 |
| Dallas |
| 29.04.1978 | | Fort Lauderdale Strikers | | Colorado Caribous | | 2:1, pen. ?:? |
| Fort Lauderdale |
| 29.04.1978 | | Memphis Rogues | | Tulsa Roughnecks | | 0:2 |
| Memphis |
| 29.04.1978 | | San Diego Sockers | | Portland Timbers | | 5:3 |
| San Diego |
| 27.04.1978 | | Tulsa Roughnecks | | Washington Diplomats | | 1:2 |
| Tulsa |
| 26.04.1978 | | San Diego Sockers | | Houston Hurricane | | 0:1, pen. ?:? |
| San Diego |
| 25.04.1978 | | Seattle Sounders | | Chicago Sting | | 3:0 |
| Seattle |
| 23.04.1978 | | Colorado Caribous | | Vancouver Whitecaps | | 0:1 |
| Denver |
| 23.04.1978 | | Cosmos | | Dallas Tornado | | 3:1 |
| East Rutherford |
| 23.04.1978 | | Detroit Express | | San Diego Sockers | | 2:0 |
| Detroit |
| 23.04.1978 | | Houston Hurricane | | New England Tea Men | | 0:1 |
| Houston |
| 23.04.1978 | | Washington Diplomats | | Minnesota Kicks | | 1:0, pen. ?:? |
| Washington |
| 22.04.1978 | | Fort Lauderdale Strikers | | Los Angeles Aztecs | | 2:0 |
| Fort Lauderdale |
| 22.04.1978 | | Philadelphia Fury | | Memphis Rogues | | 2:1 |
| Philadelphia |
| 22.04.1978 | | Portland Timbers | | Rochester Lancers | | 3:2 |
| Portland |
| 22.04.1978 | | Tampa Bay Rowdies | | San Jose Earthquakes | | 3:4, pen. ?:? |
| Tampa |
| 22.04.1978 | | Tulsa Roughnecks | | Seattle Sounders | | 3:1 |
| Tulsa |
| 21.04.1978 | | California Surf | | Toronto Metros-Croatia | | 2:1 |
| Anaheim |
| 21.04.1978 | | Oakland Stompers | | Chicago Sting | | 2:1 |
| Oakland |
| 19.04.1978 | | Houston Hurricane | | San Jose Earthquakes | | 1:2, pen. ?:? |
| Houston |
| 19.04.1978 | | Portland Timbers | | Colorado Caribous | | 2:1 |
| Portland |
| 18.04.1978 | | California Surf | | Vancouver Whitecaps | | 1:0 |
| Anaheim |
| 16.04.1978 | | California Surf | | Los Angeles Aztecs | | 1:4 |
| Anaheim |
| 16.04.1978 | | Chicago Sting | | Oakland Stompers | | 1:2 |
| Chicago |
| 16.04.1978 | | Cosmos | | Tulsa Roughnecks | | 1:0 |
| East Rutherford |
| 16.04.1978 | | Detroit Express | | Tampa Bay Rowdies | | 1:2 |
| Detroit |
| 16.04.1978 | | San Jose Earthquakes | | Colorado Caribous | | 2:3 |
| San Jose |
| 16.04.1978 | | Vancouver Whitecaps | | Rochester Lancers | | 4:1 |
| Vancouver |
| 16.04.1978 | | Washington Diplomats | | Fort Lauderdale Strikers | | 4:1 |
| Washington |
| 15.04.1978 | | Dallas Tornado | | Minnesota Kicks | | 4:3, pen. ?:? |
| Dallas |
| 15.04.1978 | | Philadelphia Fury | | New England Tea Men | | 0:1 |
| Philadelphia |
| 15.04.1978 | | Portland Timbers | | San Diego Sockers | | 2:3 |
| Portland |
| 15.04.1978 | | Seattle Sounders | | Toronto Metros-Croatia | | 1:0, pen. ?:? |
| Seattle |
| 14.04.1978 | | Memphis Rogues | | Houston Hurricane | | 0:3 |
| Memphis |
| 12.04.1978 | | Colorado Caribous | | Minnesota Kicks | | 1:0 |
| Denver |
| 12.04.1978 | | San Diego Sockers | | San Jose Earthquakes | | 2:1, pen. ?:? |
| San Diego |
| 09.04.1978 | | Fort Lauderdale Strikers | | Detroit Express | | 1:2 |
| Fort Lauderdale |
| 09.04.1978 | | Los Angeles Aztecs | | Cosmos | | 0:1 |
| Pasadena |
| 09.04.1978 | | New England Tea Men | | Tampa Bay Rowdies | | 1:2 |
| Foxborough |
| 09.04.1978 | | San Jose Earthquakes | | California Surf | | 0:1, pen. ?:? |
| San Jose |
| 09.04.1978 | | Vancouver Whitecaps | | Seattle Sounders | | 3:0 |
| Vancouver |
| 09.04.1978 | | Washington Diplomats | | Chicago Sting | | 1:0 |
| Washington |
| 08.04.1978 | | Houston Hurricane | | Dallas Tornado | | 0:3 |
| Houston |
| 08.04.1978 | | Memphis Rogues | | Philadelphia Fury | | 2:3 |
| Memphis |
| 08.04.1978 | | Portland Timbers | | Oakland Stompers | | 1:0 |
| Portland |
| 08.04.1978 | | San Diego Sockers | | Rochester Lancers | | 1:0, pen. ?:? |
| San Diego |
| 08.04.1978 | | Tulsa Roughnecks | | Toronto Metros-Croatia | | 2:0 |
| Tulsa |
| 02.04.1978 | | Cosmos | | Fort Lauderdale Strikers | | 7:0 |
| East Rutherford |
| 02.04.1978 | | Los Angeles Aztecs | | Houston Hurricane | | 2:3, pen. ?:? |
| Pasadena |
| 02.04.1978 | | Oakland Stompers | | San Jose Earthquakes | | 1:0, pen. ?:? |
| Oakland |
| 02.04.1978 | | Vancouver Whitecaps | | San Diego Sockers | | 1:4 |
| Vancouver |
| 01.04.1978 | | Dallas Tornado | | Chicago Sting | | 2:0 |
| Dallas |
| 01.04.1978 | | Philadelphia Fury | | Washington Diplomats | | 0:3 |
| Philadelphia |
| 01.04.1978 | | Seattle Sounders | | Colorado Caribous | | 3:0 |
| Seattle |
| 01.04.1978 | | Tampa Bay Rowdies | | Memphis Rogues | | 2:1 |
| Tampa |
| 01.04.1978 | | Tulsa Roughnecks | | Detroit Express | | 1:2 |
| Tulsa |
| 31.03.1978 | | California Surf | | Portland Timbers | | 1:0 |
| Anaheim |